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In Graphics Words in TurboForth Kernal
Defines a movement vector for sprite sprite.
When SPRMOV is called, sprite sprite will move y pixels up/down and x pixels left/right. If y is negative sprite will move upwards. If x is negative sprite will move leftwards.
Note: In TurboForth versions 1.0 and 1.1 this word is called SMLIST. It has been renamed in version 1.2 to SPRVEC to better describe its intention/function.